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An inclusion is a solid particle in liquid aluminium alloy. It is usually non-metallic and can be of different nature depending on its source. ==Problems related to inclusions== Inclusions can create problems in the casting when they are large and in too high concentration. Here are examples of problems related to inclusions: * Pinholes in light gauge foil * Flange cracks in Beverage containers * Surface streaks in bright automotive trim and lithographic material * Breakage in wire drawing operation * Increased tool wear and tear * Increased porosity * Loss of pressure tightness of engine blocks * Poor machinability * Cosmetic defect in apparent surfaces 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Aluminium alloy inclusions」の詳細全文を読む スポンサード リンク
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